<template>
  <div class="dashboard-container">
    <div class="app-container">
      <page-tools :is-show-before="false">
        <template #after>
          <el-button size="small" type="primary" @click="$router.push('/employees/import')">导入</el-button>
          <el-button size="small" type="primary" @click="exportExcel">导出</el-button>
          <el-button size="small" type="primary" icon="el-icon-plus" @click="addEmployeesDialogVisible = true">新增员工</el-button>
        </template>
      </page-tools>

      <!-- 表格 -->
      <!-- 放置表格和分页 -->
      <el-card style="margin: 10px 0;">
        <el-table :data="employeesList" border>
          <el-table-column label="序号" sortable type="index" width="80" />
          <el-table-column label="姓名" sortable prop="username" />
          <el-table-column label="头像" sortable>
            <template slot-scope="{ row }">
              <img class="staffPhoto" :src="row.staffPhoto" @click="showCode(row.staffPhoto)">
            </template>
          </el-table-column>
          <el-table-column label="工号" sortable prop="workNumber" />
          <el-table-column label="聘用形式" sortable prop="formOfEmployment" :formatter="formatType" />
          <el-table-column label="部门" sortable prop="departmentName" />
          <el-table-column label="入职时间" sortable>
            <template slot-scope="{ row }">
              {{ row.timeOfEntry | formatTime }}
            </template>
          </el-table-column>
          <el-table-column label="账户状态" sortable prop="enableState" />
          <el-table-column label="操作" sortable fixed="right" width="280">
            <template slot-scope="{ row }">
              <el-button type="text" size="small" @click="$router.push('/employees/detail/' + row.id)">查看</el-button>
              <el-button type="text" size="small">转正</el-button>
              <el-button type="text" size="small">调岗</el-button>
              <el-button type="text" size="small">离职</el-button>
              <el-button type="text" size="small">角色</el-button>
              <el-button type="text" size="small">删除</el-button>
            </template>
          </el-table-column>
        </el-table>
        <!-- 分页组件 -->
        <el-row type="flex" justify="center" align="middle" style="height: 60px">
          <el-pagination
            :total="total"
            :page-size="query.size"
            layout="prev, pager, next"
            @current-change="onCurrentChange"
          />
        </el-row>
      </el-card>
    </div>

    <!-- 二维码弹层 -->
    <el-dialog
      title="二维码"
      :visible.sync="qrCodeDialogVisible"
      width="30%"
    >
      <canvas ref="code" />
    </el-dialog>
    <!-- 新增员工弹层 -->
    <add-employees :visible="addEmployeesDialogVisible" @add-success="loadEmployeesList()" @close="addEmployeesDialogVisible = false" />
  </div>
</template>

<script>
import PageTools from '@/components/PageTools'
import { getEmployeesList } from '@/api/employees.js'
import employees from '@/api/constant/employees.js'
import AddEmployees from './components/add-employees.vue'
import QrCode from 'qrcode'
const { hireType } = employees
export default {
  components: {
    PageTools,
    AddEmployees
  },
  data() {
    return {
      query: {
        page: 1,
        size: 5
      },
      employeesList: [],
      total: 0,
      addEmployeesDialogVisible: false, // 控制新增员工弹层
      qrCodeDialogVisible: false // 控制二维码弹层
    }
  },

  created() {
    this.loadEmployeesList()
  },

  methods: {
    // 加载员工列表
    async loadEmployeesList() {
      const res = await getEmployeesList(this.query)
      // console.log(res)
      this.employeesList = res.rows
      this.total = res.total
    },
    // 监听页码发生变化
    onCurrentChange(val) {
      this.query.page = val
      this.loadEmployeesList()
    },
    // formatter 文档提供的方法，可以封装在methods中
    formatType(row, column, cellValue, index) {
      // 1.正式
      // 2.非正式
      const findItem = hireType.find(item => item.id === cellValue)
      return findItem ? findItem.value : '未知人员'
    },
    // 导出excel
    exportExcel() {
      console.log('导出')
      import('@/vendor/Export2Excel').then(async excel => {
        const { rows } = await getEmployeesList({
          page: 1,
          size: this.total
        })
        const headers = {
          '手机号': 'mobile',
          '姓名': 'username',
          '入职日期': 'timeOfEntry',
          '聘用形式': 'formOfEmployment',
          '转正日期': 'correctionTime',
          '工号': 'workNumber',
          '部门': 'departmentName'
        }
        const header = Object.keys(headers) // ['手机号', '姓名', '入职日期', '聘用形式']: 表头
        // console.log(rows) // [{}, {}, {}],[[], []]
        const data = rows.map(item => {
          // item: { username, mobile, workNumber }
          // item.username  item.mobile
          return header.map(item2 => {
            if (item2 === '聘用形式') {
              const findItem = hireType.find(typeItem => (typeItem.id - 0) === (item[headers[item2]] - 0))
              return findItem ? findItem.value : '未知'
            }
            return item[headers[item2]]
          })
        }) // [[], []]
        // console.log(data)
        // 可以将json数据输出为excel
        excel.export_json_to_excel({
          // excel表头
          header, // 表头 必填
          multiHeader: [['入职日期', '其他信息', '', '', '', '', '部门']],
          merges: ['A1:A2', 'B1:F1', 'G1:G2'],
          data, // 具体数据 必填
          // 文件名
          filename: '员工列表', // 非必填
          //
          autoWidth: true, // 非必填
          // 文件类型
          bookType: 'xlsx' // 非必填
        })
      })
    },
    // 二维码 画布
    showCode(imgUrl) {
      // 数据变了 驱动试图 （这一步是异步的）
      if (!imgUrl) return this.$message.error('该用户未设置头像')
      this.qrCodeDialogVisible = true
      this.$nextTick(_ => {
        QrCode.toCanvas(this.$refs.code, imgUrl)
      })
    }
  }
}
</script>

<style scoped lang='scss'>
.staffPhoto {
 width: 100px;
 height: 100px;
 border-radius: 50%;
}
</style>
